Perhaps you should try some spelling variations:
cong nguong » cong nguon, cong thuong, cong luong
theo chieu » theo tieu, ho chieu, theo chu
hanh trinh » canh tranh, hanh chinh
nguong dan » huong dan
hanh tang » hanh trang, anh tang, hanh mang
dan toan » van toan, dan than, manh toan
toan ban » van ban
cho chu » cho thue

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (cho chu)) xanh - ((hanh tang) or (hanh trinh)) cua cong nguong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (cho chu)) xanh - ((hanh tang) OR (hanh trinh)) cua cong nguong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (cho chu)) xanh - ((hanh tang) or (hanh trinh)) cua cong nguong dan toan ban*.